Get professional results with meats and poultry cooked to perfection. Made of food-safe ABS plastic with a stainless steel stem, the thermometer is waterproof and shatterproof and features big digits with data-hold and a temperature guide. Features self-set calibration and auto-off. NSF (National Sanitary Foundation) approved. CDN's Quick-Read feature that measure temperature in just 6 to 8 seconds. Quick-Read thermometers give highly accurate readings in a wide temperature range from -40 to +450°F (-40 to +230°C) .